* This file is part of the libsigrok project.
*
* Copyright (C) 2012 Martin Ling <martin-git@earth.li>
+ * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
#include "protocol.h"
+#define NUM_TIMEBASE 12
+#define NUM_VDIV 8
+
+static const int32_t hwopts[] = {
+ SR_CONF_CONN,
+};
+
+static const int32_t hwcaps[] = {
+ SR_CONF_OSCILLOSCOPE,
+ SR_CONF_TIMEBASE,
+ SR_CONF_TRIGGER_SOURCE,
+ SR_CONF_TRIGGER_SLOPE,
+ SR_CONF_HORIZ_TRIGGERPOS,
+ SR_CONF_VDIV,
+ SR_CONF_COUPLING,
+ SR_CONF_NUM_TIMEBASE,
+ SR_CONF_NUM_VDIV,
+};
+
+static const uint64_t timebases[][2] = {
+ /* nanoseconds */
+ { 2, 1000000000 },
+ { 5, 1000000000 },
+ { 10, 1000000000 },
+ { 20, 1000000000 },
+ { 50, 1000000000 },
+ { 100, 1000000000 },
+ { 500, 1000000000 },
+ /* microseconds */
+ { 1, 1000000 },
+ { 2, 1000000 },
+ { 5, 1000000 },
+ { 10, 1000000 },
+ { 20, 1000000 },
+ { 50, 1000000 },
+ { 100, 1000000 },
+ { 200, 1000000 },
+ { 500, 1000000 },
+ /* milliseconds */
+ { 1, 1000 },
+ { 2, 1000 },
+ { 5, 1000 },
+ { 10, 1000 },
+ { 20, 1000 },
+ { 50, 1000 },
+ { 100, 1000 },
+ { 200, 1000 },
+ { 500, 1000 },
+ /* seconds */
+ { 1, 1 },
+ { 2, 1 },
+ { 5, 1 },
+ { 10, 1 },
+ { 20, 1 },
+ { 50, 1 },
+};
+
+static const uint64_t vdivs[][2] = {
+ /* millivolts */
+ { 2, 1000 },
+ { 5, 1000 },
+ { 10, 1000 },
+ { 20, 1000 },
+ { 50, 1000 },
+ { 100, 1000 },
+ { 200, 1000 },
+ { 500, 1000 },
+ /* volts */
+ { 1, 1 },
+ { 2, 1 },
+ { 5, 1 },
+ { 10, 1 },
+};
+
+static const char *trigger_sources[] = {
+ "CH1",
+ "CH2",
+ "EXT",
+ "AC Line",
+ "D0",
+ "D1",
+ "D2",
+ "D3",
+ "D4",
+ "D5",
+ "D6",
+ "D7",
+ "D8",
+ "D9",
+ "D10",
+ "D11",
+ "D12",
+ "D13",
+ "D14",
+ "D15",
+};
+
+static const char *coupling[] = {
+ "AC",
+ "DC",
+ "GND",
+};
+
+static const char *supported_models[] = {
+ "DS1052E",
+ "DS1102E",
+ "DS1052D",
+ "DS1102D",
+};
+
SR_PRIV struct sr_dev_driver rigol_ds1xx2_driver_info;
static struct sr_dev_driver *di = &rigol_ds1xx2_driver_info;
for (l = drvc->instances; l; l = l->next) {
if (!(sdi = l->data))
continue;
- if (!(devc = sdi->priv))
- continue;
- /* TODO */
+ if (sdi->conn)
+ sr_serial_dev_inst_free(sdi->conn);
+ if ((devc = sdi->priv)) {
+ g_free(devc->coupling[0]);
+ g_free(devc->coupling[1]);
+ g_free(devc->trigger_source);
+ g_free(devc->trigger_slope);
+ }
sr_dev_inst_free(sdi);
}
return SR_OK;
}
-static int hw_init(void)
+static int set_cfg(const struct sr_dev_inst *sdi, const char *format, ...)
{
- struct drv_context *drvc;
+ va_list args;
+ char buf[256];
+
+ va_start(args, format);
+ vsnprintf(buf, 255, format, args);
+ va_end(args);
+ if (rigol_ds1xx2_send(sdi, buf) != SR_OK)
+ return SR_ERR;
+
+ /* When setting a bunch of parameters in a row, the DS1052E scrambles
+ * some of them unless there is at least 100ms delay in between. */
+ sr_spew("delay %dms", 100);
+ g_usleep(100000);
+
+ return SR_OK;
+}
+
+static int hw_init(struct sr_context *sr_ctx)
+{
+ return std_hw_init(sr_ctx, di, LOG_PREFIX);
+}
+
+static int probe_port(const char *port, GSList **devices)
+{
+ struct dev_context *devc;
+ struct sr_dev_inst *sdi;
+ struct sr_serial_dev_inst *serial;
+ struct sr_probe *probe;
+ unsigned int i;
+ int len, num_tokens;
+ gboolean matched, has_digital;
+ const char *manufacturer, *model, *version;
+ char buf[256];
+ gchar **tokens, *channel_name;
+
+ *devices = NULL;
+ if (!(serial = sr_serial_dev_inst_new(port, NULL)))
+ return SR_ERR_MALLOC;
+
+ if (serial_open(serial, SERIAL_RDWR) != SR_OK)
+ return SR_ERR;
+ len = serial_write(serial, "*IDN?", 5);
+ len = serial_read(serial, buf, sizeof(buf));
+ if (serial_close(serial) != SR_OK)
+ return SR_ERR;
+
+ sr_serial_dev_inst_free(serial);
+
+ if (len == 0)
+ return SR_ERR_NA;
+
+ buf[len] = 0;
+ tokens = g_strsplit(buf, ",", 0);
+ sr_dbg("response: %s [%s]", port, buf);
+
+ for (num_tokens = 0; tokens[num_tokens] != NULL; num_tokens++);
+
+ if (num_tokens < 4) {
+ g_strfreev(tokens);
+ return SR_ERR_NA;
+ }
+
+ manufacturer = tokens[0];
+ model = tokens[1];
+ version = tokens[3];
+
+ if (strcmp(manufacturer, "Rigol Technologies")) {
+ g_strfreev(tokens);
+ return SR_ERR_NA;
+ }
+
+ matched = has_digital = FALSE;
+ for (i = 0; i < ARRAY_SIZE(supported_models); i++) {
+ if (!strcmp(model, supported_models[i])) {
+ matched = TRUE;
+ has_digital = g_str_has_suffix(model, "D");
+ break;
+ }
+ }
+
+ if (!matched || !(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE,
+ manufacturer, model, version))) {
+ g_strfreev(tokens);
+ return SR_ERR_NA;
+ }
+
+ g_strfreev(tokens);
- if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
- sr_err("Driver context malloc failed.");
+ if (!(sdi->conn = sr_serial_dev_inst_new(port, NULL)))
return SR_ERR_MALLOC;
+ sdi->driver = di;
+
+ if (!(devc = g_try_malloc0(sizeof(struct dev_context))))
+ return SR_ERR_MALLOC;
+ devc->limit_frames = 0;
+ devc->has_digital = has_digital;
+
+ for (i = 0; i < 2; i++) {
+ if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
+ i == 0 ? "CH1" : "CH2")))
+ return SR_ERR_MALLOC;
+ sdi->probes = g_slist_append(sdi->probes, probe);
}
- /* TODO */
+ if (devc->has_digital) {
+ for (i = 0; i < 16; i++) {
+ if (!(channel_name = g_strdup_printf("D%d", i)))
+ return SR_ERR_MALLOC;
+ probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, channel_name);
+ g_free(channel_name);
+ if (!probe)
+ return SR_ERR_MALLOC;
+ sdi->probes = g_slist_append(sdi->probes, probe);
+ }
+ }
+ sdi->priv = devc;
- di->priv = drvc;
+ *devices = g_slist_append(NULL, sdi);
return SR_OK;
}
static GSList *hw_scan(GSList *options)
{
struct drv_context *drvc;
- GSList *devices;
+ struct sr_config *src;
+ GSList *l, *devices;
+ GDir *dir;
+ int ret;
+ const gchar *dev_name;
+ gchar *port = NULL;
+
+ drvc = di->priv;
- (void)options;
+ for (l = options; l; l = l->next) {
+ src = l->data;
+ if (src->key == SR_CONF_CONN) {
+ port = (char *)g_variant_get_string(src->data, NULL);
+ break;
+ }
+ }
devices = NULL;
- drvc = di->priv;
- drvc->instances = NULL;
+ if (port) {
+ if (probe_port(port, &devices) == SR_ERR_MALLOC)
+ return NULL;
+ } else {
+ if (!(dir = g_dir_open("/sys/class/usb/", 0, NULL)))
+ return NULL;
+ while ((dev_name = g_dir_read_name(dir))) {
+ if (strncmp(dev_name, "usbtmc", 6))
+ continue;
+ port = g_strconcat("/dev/", dev_name, NULL);
+ ret = probe_port(port, &devices);
+ g_free(port);
+ if (ret == SR_ERR_MALLOC) {
+ g_dir_close(dir);
+ return NULL;
+ }
+ }
+ g_dir_close(dir);
+ }
- /* TODO */
+ /* Tack a copy of the newly found devices onto the driver list. */
+ l = g_slist_copy(devices);
+ drvc->instances = g_slist_concat(drvc->instances, l);
return devices;
}
static GSList *hw_dev_list(void)
{
- struct drv_context *drvc;
-
- drvc = di->priv;
-
- return drvc->instances;
+ return ((struct drv_context *)(di->priv))->instances;
}
static int hw_dev_open(struct sr_dev_inst *sdi)
{
- /* TODO */
+
+ if (serial_open(sdi->conn, SERIAL_RDWR) != SR_OK)
+ return SR_ERR;
+
+ if (rigol_ds1xx2_get_dev_cfg(sdi) != SR_OK)
+ return SR_ERR;
+
+ sdi->status = SR_ST_ACTIVE;
return SR_OK;
}
static int hw_dev_close(struct sr_dev_inst *sdi)
{
- /* TODO */
+ struct sr_serial_dev_inst *serial;
+
+ serial = sdi->conn;
+ if (serial && serial->fd != -1) {
+ serial_close(serial);
+ sdi->status = SR_ST_INACTIVE;
+ }
return SR_OK;
}
{
clear_instances();
- /* TODO */
-
return SR_OK;
}
-static int hw_info_get(int info_id, const void **data,
- const struct sr_dev_inst *sdi)
+static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
{
- switch (info_id) {
- /* TODO */
+
+ (void)sdi;
+
+ switch (id) {
+ case SR_CONF_NUM_TIMEBASE:
+ *data = g_variant_new_int32(NUM_TIMEBASE);
+ break;
+ case SR_CONF_NUM_VDIV:
+ *data = g_variant_new_int32(NUM_VDIV);
+ break;
default:
- sr_err("Unknown info_id: %d.", info_id);
- return SR_ERR_ARG;
+ return SR_ERR_NA;
}
return SR_OK;
}
-static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
- const void *value)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
{
+ struct dev_context *devc;
+ uint64_t tmp_u64, p, q;
+ double t_dbl;
+ unsigned int i;
int ret;
+ const char *tmp_str;
- if (sdi->status != SR_ST_ACTIVE) {
- sr_err("Device inactive, can't set config options.");
- return SR_ERR;
- }
+ devc = sdi->priv;
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
ret = SR_OK;
- switch (hwcap) {
- /* TODO */
+ switch (id) {
+ case SR_CONF_LIMIT_FRAMES:
+ devc->limit_frames = g_variant_get_uint64(data);
+ break;
+ case SR_CONF_TRIGGER_SLOPE:
+ tmp_u64 = g_variant_get_uint64(data);
+ if (tmp_u64 != 0 && tmp_u64 != 1)
+ return SR_ERR;
+ g_free(devc->trigger_slope);
+ devc->trigger_slope = g_strdup(tmp_u64 ? "POS" : "NEG");
+ ret = set_cfg(sdi, ":TRIG:EDGE:SLOP %s", devc->trigger_slope);
+ break;
+ case SR_CONF_HORIZ_TRIGGERPOS:
+ t_dbl = g_variant_get_double(data);
+ if (t_dbl < 0.0 || t_dbl > 1.0)
+ return SR_ERR;
+ devc->horiz_triggerpos = t_dbl;
+ /* We have the trigger offset as a percentage of the frame, but
+ * need to express this in seconds. */
+ t_dbl = -(devc->horiz_triggerpos - 0.5) * devc->timebase * NUM_TIMEBASE;
+ ret = set_cfg(sdi, ":TIM:OFFS %.6f", t_dbl);
+ break;
+ case SR_CONF_TIMEBASE:
+ g_variant_get(data, "(tt)", &p, &q);
+ for (i = 0; i < ARRAY_SIZE(timebases); i++) {
+ if (timebases[i][0] == p && timebases[i][1] == q) {
+ devc->timebase = (float)p / q;
+ ret = set_cfg(sdi, ":TIM:SCAL %.9f", devc->timebase);
+ break;
+ }
+ }
+ if (i == ARRAY_SIZE(timebases))
+ ret = SR_ERR_ARG;
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ tmp_str = g_variant_get_string(data, NULL);
+ for (i = 0; i < ARRAY_SIZE(trigger_sources); i++) {
+ if (!strcmp(trigger_sources[i], tmp_str)) {
+ g_free(devc->trigger_source);
+ devc->trigger_source = g_strdup(trigger_sources[i]);
+ if (!strcmp(devc->trigger_source, "AC Line"))
+ tmp_str = "ACL";
+ else if (!strcmp(devc->trigger_source, "CH1"))
+ tmp_str = "CHAN1";
+ else if (!strcmp(devc->trigger_source, "CH2"))
+ tmp_str = "CHAN2";
+ else
+ tmp_str = (char *)devc->trigger_source;
+ ret = set_cfg(sdi, ":TRIG:EDGE:SOUR %s", tmp_str);
+ break;
+ }
+ }
+ if (i == ARRAY_SIZE(trigger_sources))
+ ret = SR_ERR_ARG;
+ break;
+ case SR_CONF_VDIV:
+ g_variant_get(data, "(tt)", &p, &q);
+ for (i = 0; i < ARRAY_SIZE(vdivs); i++) {
+ if (vdivs[i][0] != p || vdivs[i][1] != q)
+ continue;
+ devc->vdiv[0] = devc->vdiv[1] = (float)p / q;
+ set_cfg(sdi, ":CHAN1:SCAL %.3f", devc->vdiv[0]);
+ ret = set_cfg(sdi, ":CHAN2:SCAL %.3f", devc->vdiv[1]);
+ break;
+ }
+ if (i == ARRAY_SIZE(vdivs))
+ ret = SR_ERR_ARG;
+ break;
+ case SR_CONF_COUPLING:
+ /* TODO: Not supporting coupling per channel yet. */
+ tmp_str = g_variant_get_string(data, NULL);
+ for (i = 0; i < ARRAY_SIZE(coupling); i++) {
+ if (!strcmp(tmp_str, coupling[i])) {
+ g_free(devc->coupling[0]);
+ g_free(devc->coupling[1]);
+ devc->coupling[0] = g_strdup(coupling[i]);
+ devc->coupling[1] = g_strdup(coupling[i]);
+ set_cfg(sdi, ":CHAN1:COUP %s", devc->coupling[0]);
+ ret = set_cfg(sdi, ":CHAN2:COUP %s", devc->coupling[1]);
+ break;
+ }
+ }
+ if (i == ARRAY_SIZE(coupling))
+ ret = SR_ERR_ARG;
+ break;
default:
- sr_err("Unknown hardware capability: %d.", hwcap);
- ret = SR_ERR_ARG;
+ ret = SR_ERR_NA;
+ break;
}
return ret;
}
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
+{
+ GVariant *tuple, *rational[2];
+ GVariantBuilder gvb;
+ unsigned int i;
+ struct dev_context *devc;
+
+ switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
+ break;
+ case SR_CONF_DEVICE_OPTIONS:
+ *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+ hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
+ break;
+ case SR_CONF_COUPLING:
+ *data = g_variant_new_strv(coupling, ARRAY_SIZE(coupling));
+ break;
+ case SR_CONF_VDIV:
+ g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+ for (i = 0; i < ARRAY_SIZE(vdivs); i++) {
+ rational[0] = g_variant_new_uint64(vdivs[i][0]);
+ rational[1] = g_variant_new_uint64(vdivs[i][1]);
+ tuple = g_variant_new_tuple(rational, 2);
+ g_variant_builder_add_value(&gvb, tuple);
+ }
+ *data = g_variant_builder_end(&gvb);
+ break;
+ case SR_CONF_TIMEBASE:
+ g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
+ for (i = 0; i < ARRAY_SIZE(timebases); i++) {
+ rational[0] = g_variant_new_uint64(timebases[i][0]);
+ rational[1] = g_variant_new_uint64(timebases[i][1]);
+ tuple = g_variant_new_tuple(rational, 2);
+ g_variant_builder_add_value(&gvb, tuple);
+ }
+ *data = g_variant_builder_end(&gvb);
+ break;
+ case SR_CONF_TRIGGER_SOURCE:
+ if (!sdi || !sdi->priv)
+ /* Can't know this until we have the exact model. */
+ return SR_ERR_ARG;
+ devc = sdi->priv;
+ *data = g_variant_new_strv(trigger_sources,
+ devc->has_digital ? ARRAY_SIZE(trigger_sources) : 4);
+ break;
+ default:
+ return SR_ERR_NA;
+ }
+
+ return SR_OK;
+}
+
+static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
{
- /* TODO */
+ struct sr_serial_dev_inst *serial;
+ struct dev_context *devc;
+ struct sr_probe *probe;
+ GSList *l;
+ char cmd[256];
+
+ if (sdi->status != SR_ST_ACTIVE)
+ return SR_ERR_DEV_CLOSED;
+
+ serial = sdi->conn;
+ devc = sdi->priv;
+
+ for (l = sdi->probes; l; l = l->next) {
+ probe = l->data;
+ sr_dbg("handling probe %s", probe->name);
+ if (probe->type == SR_PROBE_ANALOG) {
+ if (probe->enabled)
+ devc->enabled_analog_probes = g_slist_append(
+ devc->enabled_analog_probes, probe);
+ if (probe->enabled != devc->analog_channels[probe->index]) {
+ /* Enabled channel is currently disabled, or vice versa. */
+ sprintf(cmd, ":CHAN%d:DISP %s", probe->index + 1,
+ probe->enabled ? "ON" : "OFF");
+ if (rigol_ds1xx2_send(sdi, cmd) != SR_OK)
+ return SR_ERR;
+ }
+ } else if (probe->type == SR_PROBE_LOGIC) {
+ if (probe->enabled)
+ devc->enabled_digital_probes = g_slist_append(
+ devc->enabled_digital_probes, probe);
+ if (probe->enabled != devc->digital_channels[probe->index]) {
+ /* Enabled channel is currently disabled, or vice versa. */
+ sprintf(cmd, ":DIG%d:TURN %s", probe->index,
+ probe->enabled ? "ON" : "OFF");
+ if (rigol_ds1xx2_send(sdi, cmd) != SR_OK)
+ return SR_ERR;
+ }
+ }
+ }
+ if (!devc->enabled_analog_probes && !devc->enabled_digital_probes)
+ return SR_ERR;
+
+ sr_source_add(serial->fd, G_IO_IN, 50, rigol_ds1xx2_receive, (void *)sdi);
+
+ /* Send header packet to the session bus. */
+ std_session_send_df_header(cb_data, LOG_PREFIX);
+
+ /* Fetch the first frame. */
+ if (devc->enabled_analog_probes) {
+ devc->channel_frame = devc->enabled_analog_probes->data;
+ if (rigol_ds1xx2_send(sdi, ":WAV:DATA? CHAN%d",
+ devc->channel_frame->index + 1) != SR_OK)
+ return SR_ERR;
+ } else {
+ devc->channel_frame = devc->enabled_digital_probes->data;
+ if (rigol_ds1xx2_send(sdi, ":WAV:DATA? DIG") != SR_OK)
+ return SR_ERR;
+ }
+
+ devc->num_frame_bytes = 0;
return SR_OK;
}
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
{
+ struct dev_context *devc;
+ struct sr_serial_dev_inst *serial;
+
(void)cb_data;
+ devc = sdi->priv;
+
if (sdi->status != SR_ST_ACTIVE) {
sr_err("Device inactive, can't stop acquisition.");
return SR_ERR;
}
- /* TODO */
+ g_slist_free(devc->enabled_analog_probes);
+ g_slist_free(devc->enabled_digital_probes);
+ devc->enabled_analog_probes = NULL;
+ devc->enabled_digital_probes = NULL;
+ serial = sdi->conn;
+ sr_source_remove(serial->fd);
return SR_OK;
}
.scan = hw_scan,
.dev_list = hw_dev_list,
.dev_clear = clear_instances,
+ .config_get = config_get,
+ .config_set = config_set,
+ .config_list = config_list,
.dev_open = hw_dev_open,
.dev_close = hw_dev_close,
- .info_get = hw_info_get,
- .dev_config_set = hw_dev_config_set,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
+ .dev_acquisition_start = dev_acquisition_start,
+ .dev_acquisition_stop = dev_acquisition_stop,
.priv = NULL,
};
projects / libsigrok.git / blobdiff